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52
RESULTS

texts 52
COLLECTION
TOPIC
Cropping systems 14
cropping systems 12
crop rotation 10
plant cultural practices 8
soil management 7
tillage 7
Systèmes de culture 6
crop management 6
crop yield 6
cover crops 5
erosion control 5
green manures 5
legumes 5
soil conservation 5
Soil erosion 4
small grains 4
Crop rotation 3
Cropping systems Middle Atlantic States 3
case studies 3
fertilizers 3
intercropping 3
Assolement 2
Cropping systems Texas 2
Cropping systems--Economic aspects--Kansas 2
Cropping systems--Florida. 2
Cropping systems--Kenya 2
Fallowing 2
Jachère 2
Soil conservation 2
Soil management 2
Sols 2
Soybean 2
Tillage 2
animal manures 2
climatic factors 2
farm income 2
field experimentation 2
grain crops 2
livestock 2
livestock production 2
soil erosion 2
soil fertility 2
varieties 2
wind erosion 2
Agricultural experiment stations 1
Agricultural machinery 1
Agricultural pests--Florida 1
Agriculture 1
Agriculture -- Research Illinois 1
Agriculture Arkansas 1
Agriculture Columbia River Watershed 1
Agriculture Research 1
Agriculture viable 1
Agroforestry--Kenya 1
Aridoculture 1
Beans--Yields--Guatemala 1
Beef cattle--Kansas--Cow-calf system--Economic aspects 1
Biological pest control agents. 1
Blueberries 1
Cabbage--Florida 1
Concombres 1
Conservation tillage--Economic aspects--Kansas 1
Contour farming 1
Corn 1
Corn--Diseases and pests--Control 1
Corn--Diseases and pests--Florida 1
Corn--Field experiments 1
Corn--Florida 1
Corn--Roots. 1
Corn--Yields--Guatemala 1
Corn--Yields--Kenya 1
Cotton 1
Cover crops 1
Crop yields 1
Crop yields Kentucky 1
Crop yields Tennessee 1
Cropping systems - West Virginia. 1
Cropping systems -- Illinois 1
Cropping systems -- Illinois History 1
Cropping systems Georgia 1
Cropping systems Great Plains 1
Cropping systems Indiana 1
Cropping systems Kansas 1
Cropping systems New Jersey 1
Cropping systems Ohio River Valley 1
Cropping systems South Dakota 1
Cropping systems Tennessee 1
Cropping systems--Costa Rica. 1
Cropping systems--Florida 1
Cropping systems--Guatemala 1
Cropping systems--Mathematical models. 1
Cropping systems. 1
Crops and nitrogen--Kenya 1
Cucumbers 1
Céréales 1
Dairy waste--Florida 1
Dry farming 1
Dry farming Columbia Plateau 1
Farm management -- Illinois Decision making 1
Farm management Indiana 1
Farm management--Kansas--Linear programming 1
Fertilizers -- Illinois 1
Field experiments -- Illinois 1
Field experiments Texas 1
Forage plants--Economic aspects--Kansas 1
Forest biomass--Kenya. 1
Grain Kansas Field experiments 1
Grain Texas Field experiments 1
Green manuring 1
Harvesting Middle West 1
Herbicides 1
Hydroponics 1
Hydroponique 1
Illinois -- Agriculture Research History 1
Irrigation farming South Dakota 1
Kummerowia striata 1
Manure handling 1
Mississippi 1
Morrow Plots, University of Illinois, Urbana-Champaign 1
Multiple cropping 1
No-tillage--Florida 1
Ohio Dayton 1
Peach 1
Pests--Integrated control 1
Potatoes--Florida. 1
Radio addresses, debates, etc 1
Radio programs Ohio Dayton 1
Red rice 1
Rotation of crops -- Illinois History 1
Saltwater encroachment 1
Soil conservation Ohio River Valley 1
Soil erosion Ohio River Valley 1
Soil fertility--Kenya 1
Soil productivity 1
Soil research -- Illinois 1
Soils, Salts in 1
Soils--Costa Rica 1
Soils--Phosphorus content--Florida 1
Sorghum--Economic aspects--Kansas 1
Sorghum--Florida 1
Soybean--Diseases and pests--Florida 1
Tarnished plant bug 1
Ticks 1
Tillage Great Plains 1
Tillage Texas 1
Vegetable gardening 1
Vegetables 1
Wheat 1
Wheat Columbia Plateau 1
Wheat West (U.S.) Varieties 1
Wheat--Economic aspects--Kansas 1
agricultural machinery and equipment 1
animal husbandry 1
animal manure management 1
cattle manure 1
conservation practices 1
contour farming 1
control methods 1
crop residue management 1
crop residues 1
cropping sequence 1
dairy manure 1
dryland farming 1
fallow 1
family farms 1
farm inputs 1
farm labor 1
farm management 1
fields 1
geographical distribution 1
grain yield 1
grazing management 1
humus 1
manure handling 1
nutrient management 1
profitability 1
profits and margins 1
root rot 1
sandy soils 1
soft white wheat 1
soil 1
soil organic matter 1
soil productivity 1
soil quality 1
soil water 1
soybeans 1
strip cropping 1
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